| Identifier | Title | Date | Level of description | Other information | |
|---|---|---|---|---|---|
| SIK-ISEA, DOK 4000097 | Dossier Siegwart, Karl Peter Hugo | no date | Fonds | ||
| SIK-ISEA, HNA 12 | Teilnachlass Hugo Siegwart | 1820 – 1969 | Fonds: 1.7 rm | ||
| SIK-ISEA, HNA 316 | Sammlung zu Hugo Siegwart von Walter Jucker | 1893 – 1925 | Fonds: 0.7 rm |